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oleibman c3f53854b6
Php/iconv Should Not Treat FFFE/FFFF as Valid (#2910) 
Fix #2897. We have been relying on iconv/mb_convert_encoding to detect invalid UTF-8, but all techniques designed to validate UTF-8 seem to accept FFFE and FFFF. This PR explicitly converts those characters to FFFD (Unicode substitution character) before validating the rest of the string. It also substitutes one or more FFFD when it detects invalid UTF-8 character sequences.

A comment in the code being change stated that it doesn't handle surrogates. It is right not to do so. The only case where we should see surrogates is reading UTF-16. Additional tests are added to an existing test reading a UTF-16 Csv to demonstrate that surrogates are handled correctly, and that FFFE/FFFF are handled reasonably.
 		2022-07-02 08:53:39 -07:00
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Calculation Filter null values in PRODUCT() function, as they don't affect the calculation in any way, and actually require additional code handling if they're present within the calculation itself 2022-05-17 16:40:14 +02:00
Cell Minor performance tweaks 2022-05-01 21:55:37 +02:00
Features/AutoFilter/Xlsx Issue 2216 resolve office365 auto filter structure move (#2218) 2021-07-12 03:19:40 +02:00
Functional/TypeAttributePreservation Avoid losing calculated value type 2018-03-03 11:51:06 +01:00
Reader Php/iconv Should Not Treat FFFE/FFFF as Valid (#2910) 2022-07-02 08:53:39 -07:00
Shared Merge branch 'master' into sheetpasswd 2021-07-13 06:11:47 -07:00
Style Coverage Improvements (#2859) 2022-06-01 08:29:56 -07:00
Worksheet Bugfix #1858; Apply stricter scoping rules to named range/cell access (#1866) 2021-02-19 22:03:50 +01:00
Writer Adjust Both Coordinates for Two-Cell Anchors (#2909) 2022-06-29 09:20:33 -07:00
CalculationBinaryComparisonOperation.php Extract some methods from the Calculation Engine into dedicated classes (#2537) 2022-02-04 16:02:29 +01:00
CellAbsoluteCoordinate.php Sheet title can contain exclamation mark (in formulas) 2018-10-03 12:52:51 +09:00
CellAbsoluteReference.php Sheet title can contain exclamation mark (in formulas) 2018-10-03 12:52:51 +09:00
CellBuildRange.php Use proper syntax for variadic functions 2017-01-23 15:01:20 +09:00
CellCoordinates.php PHPStan Level 2 2021-04-04 22:06:00 +09:00
CellExtractAllCellReferencesInRange.php The `sortCellReferenceArray()` in `Coordinate` should have returned cells ordered by row, then by column... but instead sorted by column, then row. 2022-04-28 17:43:01 +02:00
CellGetRangeBoundaries.php Use proper syntax for variadic functions 2017-01-23 15:01:20 +09:00
CellMergeRangesInCollection.php Fix cell ranges causing coordinate merge error 2018-01-22 12:26:37 +09:00
CellRangeBoundaries.php Use proper syntax for variadic functions 2017-01-23 15:01:20 +09:00
CellRangeDimension.php Use proper syntax for variadic functions 2017-01-23 15:01:20 +09:00
CellSplitRange.php Use proper syntax for variadic functions 2017-01-23 15:01:20 +09:00
ColumnIndex.php Consistent `stringFromColumnIndex()` and `columnIndexFromString()` 2017-11-26 15:29:08 +09:00
ColumnString.php Use proper syntax for variadic functions 2017-01-23 15:01:20 +09:00
CoordinateIsRange.php Fix cell ranges causing coordinate merge error 2018-01-22 12:26:37 +09:00
ReferenceHelperFormulaUpdates.php Some work on refactoring the ReferenceHelper to extract the logic for updating cell references. This is a preliminary step toward allowing updates to absolute cell references, required to update Conditional Formatting rules. 2022-03-16 14:07:13 +01:00
ReferenceHelperFormulaUpdatesMultipleSheet.php Named formula implementation, and improved handling of Defined Names generally (#1535) 2020-07-26 12:00:06 +02:00